Port Allen Small Boat Harbor Weather Forecast

    • 76
    • 86

    Partly Sunny

    • 77
    • 87

    Partly Sunny

    • 76
    • 87

    Partly Sunny

    • 76
    • 86

    Partly Sunny

    • 76
    • 86

    Mostly Cloudy

    • 76
    • 86

    Partly Sunny

    • 76
    • 85

    Partly Sunny

Today 21 Sep Kauai Southwest

Mostly sunny. Isolated Showers in the morning. Highs 76 to 90. East Winds up to 15 Mph. Chance of rain 20 percent.

Tonight 21 Sep Kauai Southwest

Partly cloudy. Lows around 75 near the shore to around 65 above 3000 feet. Northeast Winds up to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Allen Small Boat Harbor Temperature Statistics

September Temperature

Kekaha, Pacific Missile Test Facility Barking Sands (15.5 miles)

  • Lowest 15 September, 2026

    71.1 °F

  • Average September

    79.8 °F

  • Highest 3 September, 2026

    88 °F

Climate (2021–2026)

Kekaha, Pacific Missile Test Facility Barking Sands (15.5 miles)

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  • Average Low 2021–2026

    70 °F

  • Average 2021–2026

    76.7 °F

  • Average High 2021–2026

    83 °F
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